/*
 * Copyright 2012 Gregor Schauer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.schauer.gregor.vienna.convert.spring;

import at.schauer.gregor.vienna.convert.provider.AbstractConverterProvider;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.core.convert.support.ViennaConversionService;

/**
 * @author Gregor Schauer
 */
public class SpringConverterProvider extends AbstractConverterProvider<GenericConverter> {
	protected ViennaConversionService conversionService = new ViennaConversionService();

	@Override
	public <S, T> GenericConverter getConverter(Class<S> sourceClass, Class<T> targetClass) {
		return conversionService.getConverter(TypeDescriptor.valueOf(sourceClass), TypeDescriptor.valueOf(targetClass));
	}

	@Override
	@SuppressWarnings("unchecked")
	public <X, Y> Y convert(X source, Class<Y> targetClass) {
		TypeDescriptor sourceType = TypeDescriptor.valueOf(source.getClass());
		TypeDescriptor targetType = TypeDescriptor.valueOf(targetClass);
		return (Y) conversionService.getConverter(sourceType, targetType).convert(source, sourceType, targetType);
	}
}
